\begin{figure}[h]
\includegraphics[totalheight=72mm]{SpatiaDist_Velocity_Overlay.eps}
\caption{The spatial distribution of the sources overlap on the contours of \cob data from \citep{2001ApJ...547..792D}, the color of each dot represent their centroid velocities.
The dashed lines show the boundaries separating three regions: TMC, PMC and CMC, which is according to \citet{2010A&A...512A..67L}.
\label{Fig.SpatialDistribution}}
\end{figure}


\begin{figure}[h]
\centering
\caption{Spectra at emission peaks. For each plot, 3 lines of \coaa \cobb and \cocc are colored red, green and blue respectively. The offsets of the positions at where the spectra where observed are also shown, the unit is arcmin.\label{Fig.Spectra}}
\includegraphics[width=52mm,height=32mm]{G153.34-08.00C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G153.34-08.00C2_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G154.68-15.34C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G155.52-08.93_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G156.53-08.63_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G156.90-08.49_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G156.92-09.72C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G157.10-08.70_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G157.12-11.56C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G157.12-11.56C2_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G157.12-11.56C3_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G157.19-08.81_spec.ps     }\\
%\includegraphics[width=52mm,height=32mm]{G157.54-04.05C1_spec.ps   }
%\includegraphics[width=52mm,height=32mm]{G157.54-04.05C2_spec.ps   }
%\includegraphics[width=52mm,height=32mm]{G157.54-04.05C3_spec.ps   }\\
\end{figure}\clearpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{figure}[h]
\includegraphics[width=52mm,height=32mm]{G157.58-08.89_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G157.60-12.17a_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G157.60-12.17bC1_spec.ps  }\\
\includegraphics[width=52mm,height=32mm]{G157.60-12.17bC2_spec.ps  }
\includegraphics[width=52mm,height=32mm]{G157.91-08.23C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G158.20-20.28_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G158.22-20.14_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G158.24-21.80_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G158.37-20.72_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G158.40-21.86_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G159.01-08.46_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G159.03-08.32_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G159.14-08.76_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G159.16-05.58_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G159.21-20.12C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G159.65-19.68a_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G159.65-19.68b_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G159.67-05.71aC1_spec.ps  }\\
\end{figure}\clearpage
\begin{figure}[h]
\includegraphics[width=52mm,height=32mm]{G159.67-05.71aC2_spec.ps  }
\includegraphics[width=52mm,height=32mm]{G159.67-05.71bC1_spec.ps  }
\includegraphics[width=52mm,height=32mm]{G159.82-10.48C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G159.82-10.48C2_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G160.35-06.37_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G160.51-16.84_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G160.51-17.07_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G160.53-09.84_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G160.53-19.72C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G160.62-16.70_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G161.08-21.78_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G161.21-08.72_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G162.24-09.04C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G162.46-08.70_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G162.86-05.24_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G163.32-08.42_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G164.13-08.85C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G164.57-24.48C1_spec.ps   }\\
\end{figure}\clearpage
\begin{figure}[h]
\includegraphics[width=52mm,height=32mm]{G164.57-24.48C2_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G164.57-24.48C3_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G164.75-24.19C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G164.75-24.19C2_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G164.81-05.67C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G164.92-12.65C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G164.92-12.65C2_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G164.92-12.65C3_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G166.99-15.34C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G168.00-15.69_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G168.13-16.39a_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G168.13-16.39b_spec.ps    }\\
\includegraphics[width=52mm,height=32mm]{G169.76-16.15a_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G169.76-16.15b_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G169.82-19.39_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G169.98-18.97_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G170.13-16.06a_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G170.13-16.06b_spec.ps    }\\
\end{figure}\clearpage
\begin{figure}[h]
\includegraphics[width=52mm,height=32mm]{G170.26-16.02_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G170.57-07.85_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G170.88-10.92_spec.ps     }\\
\includegraphics[width=52mm,height=32mm]{G171.43-17.36_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G172.13-16.93_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G172.83-05.17C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G172.85-14.74_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G172.92-16.74a_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G172.92-16.74b_spec.ps    }\\
\includegraphics[width=52mm,height=32mm]{G172.94-05.49C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G173.07-17.89C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G173.07-17.89C2_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G173.45-05.43_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G173.60-17.89C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G173.60-17.89C2_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G173.91-16.25_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G174.06-15.81_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G174.39-13.43_spec.ps     }\\
\end{figure}\clearpage
\begin{figure}[h]
\includegraphics[width=52mm,height=32mm]{G174.70-15.48C1_spec.ps   }
\includegraphics[width=52mm,height=32mm]{G175.16-16.74_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G175.97-20.38C1_spec.ps   }\\
\includegraphics[width=52mm,height=32mm]{G176.46-21.10_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G177.60-20.58_spec.ps     }
\includegraphics[width=52mm,height=32mm]{G177.89-20.16a_spec.ps    }\\
\includegraphics[width=52mm,height=32mm]{G177.89-20.16b_spec.ps    }
\includegraphics[width=52mm,height=32mm]{G177.97-09.72_spec.ps     }\\
\end{figure}\clearpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{figure}[h]
\caption{Maps. \cobb integral intensity contours over \coaa grey-scale. The contour levels are 30\% to 90\%, with step of 10\%. Yellow and blue (variety of colors to ensure distinction against background)  symbols represent associated objects: $\times$(X-ray object),  $\triangle$(radio, \textsc{H i}, Maser), $\Diamond$(IR object), or some denoted as text abbreviations: HH(Herbig-Haro object), YSO(Young Stellar Object), etc. The types and locations of  associated objects are according to Aladin application in SIMBAD database and the meaning of symbols and abbreviations are available there as well.\label{Maps}}
\centering
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G153.34-08.00.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G154.68-15.34.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G155.52-08.93.eps}   \end{minipage}\\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G156.53-08.63.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G156.90-08.49.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G156.92-09.72.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.10-08.70.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.12-11.56.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.19-08.81.eps}   \end{minipage} \\
\end{figure}\clearpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{figure}[h]
\centering
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.58-08.89.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.60-12.17.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.60-12.17b.eps}   \end{minipage}\\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G157.91-08.23.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G158.20-20.28.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G158.22-20.14.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G158.24-21.80.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G158.37-20.72.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G158.40-21.86.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.01-08.46.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.03-08.32.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.14-08.76.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.16-05.58.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.21-20.12.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.65-19.68.eps}   \end{minipage} \\
\end{figure}\clearpage
\begin{figure}[h]
\centering
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.65-19.68b.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.67-05.71.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G159.82-10.48.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G160.35-06.37.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G160.51-16.84.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G160.51-17.07.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G160.53-09.84.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G160.53-19.72.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G160.62-16.70.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G161.08-21.78.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G161.21-08.72.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G162.24-09.04.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G162.46-08.70.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G162.86-05.24.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G163.32-08.42.eps}   \end{minipage} \\
\end{figure}\clearpage
\begin{figure}[h]
\centering
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G164.13-08.85.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G164.57-24.48.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G164.75-24.19.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G164.81-05.67.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G164.92-12.65.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G166.99-15.34.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G168.00-15.69.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G168.13-16.39.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G169.76-16.15.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G169.76-16.15b.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G169.82-19.39.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G169.98-18.97.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G170.13-16.06.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G170.26-16.02.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G170.57-07.85.eps}   \end{minipage} \\
\end{figure}\clearpage
\begin{figure}[h]
\centering
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G170.88-10.92.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G171.43-17.36.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G172.13-16.93.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G172.83-05.17.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G172.85-14.74.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G172.92-16.74.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G172.92-16.74b.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G172.94-05.49.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G173.07-17.89.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G173.45-05.43.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G173.60-17.89.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G173.91-16.25.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G174.06-15.81.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G174.39-13.43.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G174.70-15.48.eps}   \end{minipage} \\
\end{figure}\clearpage
\begin{figure}[h]
\centering
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G175.16-16.74.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G175.97-20.38.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G176.46-21.10.eps}   \end{minipage} \\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G177.60-20.58.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G177.89-20.16.eps}   \end{minipage}
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G177.89-20.16b.eps}   \end{minipage}\\
\begin{minipage}[c]{0.3\textwidth}  \centering   \includegraphics[width=48mm,height=42mm]{G177.97-09.72.eps}   \end{minipage}
\end{figure}\clearpage
%%%%%%%%%END%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\begin{figure}[h]
\includegraphics[totalheight=82mm]{1813.eps}
\caption{The distribution of ${N_{\rm H_2}(\rm C^{18}O)}/{N_{\rm H_2}(\rm ^{13}CO)}$ of 17 cores with \cocc detection. As we have ruled out cores in PMC from discussion, the two cores in PMC that detected with \cocc emission are excluded. \label{Fig.1813}}.
\end{figure}


\begin{figure}[h]
\includegraphics[totalheight=52mm]{pv_G164.75-24.19.eps}
\includegraphics[totalheight=52mm]{pv_G173.07-17.89.eps}
\caption{P-V diagram of two cores. Left is taken from RA offset 0', DEC offset from -5' to 5'; Right is taken from RA offset -0.5', DEC offset from -5' to 5'. The positions are plotted over the contour maps of the two cores in Figure \ref{Maps}, as yellow solid lines. \label{Fig. PV_diagram}}.
\end{figure}



\begin{figure}[h]
\label{Fig.Gas-Dust}
\includegraphics[totalheight=62mm]{Gas-Dust_EB.eps}
\includegraphics[totalheight=62mm]{Gas-Dust_EB_Core.eps}
\caption{Left: $T_D-T_K$ relationship. Using the core size defined in ECC. Right: $T_D-T_K$ relationship. Using the core size defined by this paper.}
\end{figure}

\begin{figure}[h]
\label{Fig.COAbundance}
\includegraphics[totalheight=72mm]{SpatiaDist_Abundance_Overlay.eps}
\caption{CO abundance calculated from CO emission ($N_{^{12}\rm CO}$) and Planck ECC data ($N_{H_2}$); Background: The contours of \cob data from \citep{2001ApJ...547..792D}}
\end{figure}



\begin{figure}[h]
\includegraphics[totalheight=120mm]{VelocityComparison.eps}
\caption{The distribution of \sigmath, \sigmant and \sigmath/\sigmant.\label{Fig.SigmaTH/SigmaNT}}
\end{figure}



\begin{figure}[h]
\includegraphics[totalheight=62mm]{M_vir_tmc.eps}
\includegraphics[totalheight=62mm]{M_j_tmc.eps}
\addtocounter{figure}{1}
\figurenum{\arabic{figure}a}
\caption{Left panel: The correlation between $M_{LTE}$ and $M_{vir}$ in TMC. Right panel: The correlation between $M_{LTE}$ and $M_{J}$ in TMC. The red line is the power law fitting function, while the blue dotted line is the $M_{LTE}=M_{vir}$line, which also is the critical line for gravitational bound state (below the line).\label{mass_tmc}}
\end{figure}

\begin{figure}[h]
\includegraphics[totalheight=62mm]{M_vir_cmc.eps}
\includegraphics[totalheight=62mm]{M_j_cmc.eps}
\figurenum{\arabic{figure}b}
\caption{Left panel: The correlation between $M_{LTE}$ and $M_{vir}$ in CMC. Right panel: The correlation between $M_{LTE}$ and $M_{J}$ in CMC. The red line is the power law fitting function, while the blue dotted line is the $M_{LTE}=M_{vir}$line, which also is the critical line for gravitational bound state (below the line). \label{mass_cmc}}
\end{figure}

